spelling fixes

Closes #1356

29 files changed, 73 insertions, 73 deletions

diff --git a/lib/Makefile.b32 b/lib/Makefile.b32
index 481386157..5b5b5fa9f 100644
--- a/lib/Makefile.b32
+++ b/lib/Makefile.b32
@@ -109,7 +109,7 @@ LINKLIB  = $(LINKLIB) $(OPENSSL_PATH)\out32\ssleay32.lib $(OPENSSL_PATH)\out32\l
 !include Makefile.inc
 
 # Borland's command line librarian program TLIB version 4.5 is not capable
-# of building a library when any of its objects contains an hypen in its
+# of building a library when any of its objects contains an hyphen in its
 # name, due to a command line parsing bug. In order to workaround this, we
 # build source files with hyphens in their name as objects with underscores
 # using explicit compilation build rules instead of implicit ones.
diff --git a/lib/Makefile.netware b/lib/Makefile.netware
index f689a36f8..672035c52 100644
--- a/lib/Makefile.netware
+++ b/lib/Makefile.netware
@@ -166,7 +166,7 @@ endif
 	CFLAGS += -align 4
 else
 	# PRELUDE = $(NDK_CLIB)/imports/clibpre.o
-	# to avoid the __init_* / __deinit_* whoes dont use prelude from NDK
+	# to avoid the __init_* / __deinit_* whoes don't use prelude from NDK
 	PRELUDE = "$(MWCW_PATH)/libraries/runtime/prelude.obj"
 	# CFLAGS += -include "$(MWCW_PATH)/headers/nlm_clib_prefix.h"
 	CFLAGS += -align 1
@@ -192,7 +192,7 @@ else
 endif
 else
 	PRELUDE = $(NDK_CLIB)/imports/clibpre.gcc.o
-	# to avoid the __init_* / __deinit_* whoes dont use prelude from NDK
+	# to avoid the __init_* / __deinit_* whoes don't use prelude from NDK
 	# http://www.gknw.net/development/mk_nlm/gcc_pre.zip
 	# PRELUDE = $(NDK_ROOT)/pre/prelude.o
 	CFLAGS += -include $(NDKBASE)/nlmconv/genlm.h
diff --git a/lib/config-win32.h b/lib/config-win32.h
index af7bb1fb0..4cac859cd 100644
--- a/lib/config-win32.h
+++ b/lib/config-win32.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -493,7 +493,7 @@
 #define _CRT_NONSTDC_NO_DEPRECATE 1
 #endif
 
-/* VS2005 and later dafault size for time_t is 64-bit, unless
+/* VS2005 and later default size for time_t is 64-bit, unless
    _USE_32BIT_TIME_T has been defined to get a 32-bit time_t. */
 #if defined(_MSC_VER) && (_MSC_VER >= 1400)
 #  ifndef _USE_32BIT_TIME_T
@@ -514,7 +514,7 @@
 #  define VS2008_MIN_TARGET 0x0500
 
    /* The minimum build target for VS2012 is Vista unless Update 1 is installed
-      and the v110_xp toolset is choosen. */
+      and the v110_xp toolset is chosen. */
 #  if defined(_USING_V110_SDK71_)
 #    define VS2012_MIN_TARGET 0x0501
 #  else
@@ -526,7 +526,7 @@
 #  define VS2008_DEF_TARGET 0x0501
 
    /* VS2012 default build target is Windows Vista unless Update 1 is installed
-      and the v110_xp toolset is choosen. */
+      and the v110_xp toolset is chosen. */
 #  if defined(_USING_V110_SDK71_)
 #    define VS2012_DEF_TARGET 0x0501
 #  else
diff --git a/lib/config-win32ce.h b/lib/config-win32ce.h
index 383948576..eb444c585 100644
--- a/lib/config-win32ce.h
+++ b/lib/config-win32ce.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -379,7 +379,7 @@
 #define _CRT_NONSTDC_NO_DEPRECATE 1
 #endif
 
-/* VS2005 and later dafault size for time_t is 64-bit, unless */
+/* VS2005 and later default size for time_t is 64-bit, unless */
 /* _USE_32BIT_TIME_T has been defined to get a 32-bit time_t. */
 #if defined(_MSC_VER) && (_MSC_VER >= 1400)
 #  ifndef _USE_32BIT_TIME_T
diff --git a/lib/curl_memory.h b/lib/curl_memory.h
index 6f792fffd..fccf46879 100644
--- a/lib/curl_memory.h
+++ b/lib/curl_memory.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -70,7 +70,7 @@
  *
  * Programs and libraries in 'tests' subdirectories have specific
  * purposes and needs, and as such each one will use whatever fits
- * best, depending additionally wether it links with libcurl or not.
+ * best, depending additionally whether it links with libcurl or not.
  *
  * Caveat emptor. Proper curlx_* separation is a work in progress
  * the same as CURLX_NO_MEMORY_CALLBACKS usage, some adjustments may
diff --git a/lib/ftp.c b/lib/ftp.c
index 58d1db1d1..1001d4fb1 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -1754,7 +1754,7 @@ static CURLcode ftp_state_quote(struct connectdata *conn,
   /*
    * This state uses:
    * 'count1' to iterate over the commands to send
-   * 'count2' to store wether to allow commands to fail
+   * 'count2' to store whether to allow commands to fail
    */
 
   if(init)
@@ -2870,7 +2870,7 @@ static CURLcode ftp_statemach_act(struct connectdata *conn)
              does not start with a '/'), we probably need some server-dependent
              adjustments. For example, this is the case when connecting to
              an OS400 FTP server: this server supports two name syntaxes,
-             the default one being incompatible with standard pathes. In
+             the default one being incompatible with standard paths. In
              addition, this server switches automatically to the regular path
              syntax when one is encountered in a command: this results in
              having an entrypath in the wrong syntax when later used in CWD.
@@ -3552,7 +3552,7 @@ static CURLcode ftp_range(struct connectdata *conn)
                  " to %" CURL_FORMAT_CURL_OFF_T ", totally %"
                  CURL_FORMAT_CURL_OFF_T " bytes\n",
                  from, to, data->req.maxdownload));
-    ftpc->dont_check = TRUE; /* dont check for successful transfer */
+    ftpc->dont_check = TRUE; /* don't check for successful transfer */
   }
   else
     data->req.maxdownload = -1;
@@ -3621,7 +3621,7 @@ static CURLcode ftp_do_more(struct connectdata *conn, int *completep)
 
 
   if(ftpc->state) {
-    /* already in a state so skip the intial commands.
+    /* already in a state so skip the initial commands.
        They are only done to kickstart the do_more state */
     result = ftp_multi_statemach(conn, &complete);
 
diff --git a/lib/hostip.c b/lib/hostip.c
index fa4bad982..ed18763fd 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -143,7 +143,7 @@ void Curl_global_host_cache_dtor(void)
 }
 
 /*
- * Return # of adresses in a Curl_addrinfo struct
+ * Return # of addresses in a Curl_addrinfo struct
  */
 int Curl_num_addresses(const Curl_addrinfo *addr)
 {
@@ -573,7 +573,7 @@ int Curl_resolv_timeout(struct connectdata *conn,
 #ifdef USE_ALARM_TIMEOUT
 #ifdef HAVE_SIGACTION
   struct sigaction keep_sigact;   /* store the old struct here */
-  volatile bool keep_copysig = FALSE; /* wether old sigact has been saved */
+  volatile bool keep_copysig = FALSE; /* whether old sigact has been saved */
   struct sigaction sigact;
 #else
 #ifdef HAVE_SIGNAL
diff --git a/lib/hostip.h b/lib/hostip.h
index 1dc4079fe..298eeeee3 100644
--- a/lib/hostip.h
+++ b/lib/hostip.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -130,7 +130,7 @@ int Curl_mk_dnscache(struct curl_hash *hash);
 /* prune old entries from the DNS cache */
 void Curl_hostcache_prune(struct Curl_easy *data);
 
-/* Return # of adresses in a Curl_addrinfo struct */
+/* Return # of addresses in a Curl_addrinfo struct */
 int Curl_num_addresses(const Curl_addrinfo *addr);
 
 #if defined(CURLDEBUG) && defined(HAVE_GETNAMEINFO)
diff --git a/lib/http.c b/lib/http.c
index 935591f91..961c80080 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -3313,7 +3313,7 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
         /*
          * https://tools.ietf.org/html/rfc7230#section-3.1.2
          *
-         * The reponse code is always a three-digit number in HTTP as the spec
+         * The response code is always a three-digit number in HTTP as the spec
          * says. We try to allow any number here, but we cannot make
          * guarantees on future behaviors since it isn't within the protocol.
          */
diff --git a/lib/imap.c b/lib/imap.c
index 44d350be2..b528f77d9 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -1749,7 +1749,7 @@ static CURLcode imap_setup_connection(struct connectdata *conn)
  *
  * imap_sendf()
  *
- * Sends the formated string as an IMAP command to the server.
+ * Sends the formatted string as an IMAP command to the server.
  *
  * Designed to never block.
  */
diff --git a/lib/memdebug.c b/lib/memdebug.c
index 15e866161..32d2adfb5 100644
--- a/lib/memdebug.c
+++ b/lib/memdebug.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -458,7 +458,7 @@ int curl_fclose(FILE *file, int line, const char *source)
 
 #define LOGLINE_BUFSIZE  1024
 
-/* this does the writting to the memory tracking log file */
+/* this does the writing to the memory tracking log file */
 void curl_memlog(const char *format, ...)
 {
   char *buf;
diff --git a/lib/objnames.inc b/lib/objnames.inc
index b895528af..6a5b2a837 100644
--- a/lib/objnames.inc
+++ b/lib/objnames.inc
@@ -5,7 +5,7 @@
 # *                            | (__| |_| |  _ <| |___
 # *                             \___|\___/|_| \_\_____|
 # *
-# * Copyright (C) 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+# * Copyright (C) 2012 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
 # *
 # * This software is licensed as described in the file COPYING, which
 # * you should have received as part of this distribution. The terms
@@ -36,7 +36,7 @@
 # file name that may be longer than 10 characters, or not, into a string
 # with at most 10 characters which may be used as an OS/400 object name.
 #
-# This function might not be universally usefull, nor we care about it.
+# This function might not be universally useful, nor we care about it.
 #
 # It is intended to be used with libcurl's (*.c) source file names, so
 # dependency on libcurl's source file naming scheme is acceptable and
diff --git a/lib/pingpong.c b/lib/pingpong.c
index 7a9935727..b833fcd4c 100644
--- a/lib/pingpong.c
+++ b/lib/pingpong.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -152,7 +152,7 @@ void Curl_pp_init(struct pingpong *pp)
  *
  * Curl_pp_vsendf()
  *
- * Send the formated string as a command to a pingpong server. Note that
+ * Send the formatted string as a command to a pingpong server. Note that
  * the string should not have any CRLF appended, as this function will
  * append the necessary things itself.
  *
@@ -239,7 +239,7 @@ CURLcode Curl_pp_vsendf(struct pingpong *pp,
  *
  * Curl_pp_sendf()
  *
- * Send the formated string as a command to a pingpong server. Note that
+ * Send the formatted string as a command to a pingpong server. Note that
  * the string should not have any CRLF appended, as this function will
  * append the necessary things itself.
  *
diff --git a/lib/pingpong.h b/lib/pingpong.h
index 500100ae4..ee1a59b51 100644
--- a/lib/pingpong.h
+++ b/lib/pingpong.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -95,7 +95,7 @@ time_t Curl_pp_state_timeout(struct pingpong *pp);
  *
  * Curl_pp_sendf()
  *
- * Send the formated string as a command to a pingpong server. Note that
+ * Send the formatted string as a command to a pingpong server. Note that
  * the string should not have any CRLF appended, as this function will
  * append the necessary things itself.
  *
@@ -108,7 +108,7 @@ CURLcode Curl_pp_sendf(struct pingpong *pp,
  *
  * Curl_pp_vsendf()
  *
- * Send the formated string as a command to a pingpong server. Note that
+ * Send the formatted string as a command to a pingpong server. Note that
  * the string should not have any CRLF appended, as this function will
  * append the necessary things itself.
  *
diff --git a/lib/progress.c b/lib/progress.c
index b5ea47aca..cfaf4049e 100644
--- a/lib/progress.c
+++ b/lib/progress.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -229,16 +229,16 @@ void Curl_pgrsStartNow(struct Curl_easy *data)
  * need to wait until we're back under the speed limit, if needed.
  *
  * The way it works is by having a "starting point" (time & amount of data
- * transfered by then) used in the speed computation, to be used instead of the
- * start of the transfer.
- * This starting point is regularly moved as transfer goes on, to keep getting
- * accurate values (instead of average over the entire tranfer).
+ * transferred by then) used in the speed computation, to be used instead of
+ * the start of the transfer.  This starting point is regularly moved as
+ * transfer goes on, to keep getting accurate values (instead of average over
+ * the entire transfer).
  *
- * This function takes the current amount of data transfered, the amount at the
- * starting point, the limit (in bytes/s), the time of the starting point and
- * the current time.
+ * This function takes the current amount of data transferred, the amount at
+ * the starting point, the limit (in bytes/s), the time of the starting point
+ * and the current time.
  *
- * Returns -1 if no waiting is needed (not enough data transfered since
+ * Returns -1 if no waiting is needed (not enough data transferred since
  * starting point yet), 0 when no waiting is needed but the starting point
  * should be reset (to current), or the number of milliseconds to wait to get
  * back under the speed limit.
diff --git a/lib/rand.c b/lib/rand.c
index 4da37b9dc..8a1408425 100644
--- a/lib/rand.c
+++ b/lib/rand.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -63,7 +63,7 @@ static CURLcode randit(struct Curl_easy *data, unsigned int *rnd)
   /* data may be NULL! */
   result = Curl_ssl_random(data, (unsigned char *)rnd, sizeof(*rnd));
   if(result != CURLE_NOT_BUILT_IN)
-    /* only if there is no random funtion in the TLS backend do the non crypto
+    /* only if there is no random function in the TLS backend do the non crypto
        version, otherwise return result */
     return result;
 
diff --git a/lib/rtsp.c b/lib/rtsp.c
index e091a0db2..1810cdafb 100644
--- a/lib/rtsp.c
+++ b/lib/rtsp.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -793,7 +793,7 @@ CURLcode Curl_rtsp_parseheader(struct connectdata *conn,
       /* If the Session ID is not set, and we find it in a response, then set
        * it.
        *
-       * Allow any non whitespace content, up to the field seperator or end of
+       * Allow any non whitespace content, up to the field separator or end of
        * line. RFC 2326 isn't 100% clear on the session ID and for example
        * gstreamer does url-encoded session ID's not covered by the standard.
        */
diff --git a/lib/select.c b/lib/select.c
index 03af645ee..14dc6e134 100644
--- a/lib/select.c
+++ b/lib/select.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -129,7 +129,7 @@ int Curl_wait_ms(int timeout_ms)
  * and a file descriptor is too large for FD_SETSIZE.
  *
  * A negative timeout value makes this function wait indefinitely,
- * unles no valid file descriptor is given, when this happens the
+ * unless no valid file descriptor is given, when this happens the
  * negative timeout is ignored and the function times out immediately.
  *
  * Return values:
@@ -380,7 +380,7 @@ int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */
  * select() is used instead.  An error is returned if select() is
  * being used and a file descriptor is too large for FD_SETSIZE.
  * A negative timeout value makes this function wait indefinitely,
- * unles no valid file descriptor is given, when this happens the
+ * unless no valid file descriptor is given, when this happens the
  * negative timeout is ignored and the function times out immediately.
  *
  * Return values:
diff --git a/lib/sendf.c b/lib/sendf.c
index 9435a30e6..e03241f0d 100644
--- a/lib/sendf.c
+++ b/lib/sendf.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -262,7 +262,7 @@ void Curl_failf(struct Curl_easy *data, const char *fmt, ...)
   va_end(ap);
 }
 
-/* Curl_sendf() sends formated data to the server */
+/* Curl_sendf() sends formatted data to the server */
 CURLcode Curl_sendf(curl_socket_t sockfd, struct connectdata *conn,
                     const char *fmt, ...)
 {
diff --git a/lib/system_win32.c b/lib/system_win32.c
index 78737593a..cfbbf3279 100644
--- a/lib/system_win32.c
+++ b/lib/system_win32.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2016, Steve Holme, <steve_holme@hotmail.com>.
+ * Copyright (C) 2016 - 2017, Steve Holme, <steve_holme@hotmail.com>.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -68,7 +68,7 @@ typedef HMODULE (APIENTRY *LOADLIBRARYEX_FN)(LPCTSTR, HANDLE, DWORD);
  *
  * majorVersion [in] - The major version number.
  * minorVersion [in] - The minor version number.
- * platform     [in] - The optional platform identifer.
+ * platform     [in] - The optional platform identifier.
  * condition    [in] - The test condition used to specifier whether we are
  *                     checking a version less then, equal to or greater than
  *                     what is specified in the major and minor version
diff --git a/lib/transfer.c b/lib/transfer.c
index fea76df19..38a049956 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -1795,7 +1795,7 @@ CURLcode Curl_follow(struct Curl_easy *data,
     break;
 
   case 303: /* See Other */
-    /* Disable both types of POSTs, unless the user explicitely
+    /* Disable both types of POSTs, unless the user explicitly
        asks for POST after POST */
     if(data->set.httpreq != HTTPREQ_GET
       && !(data->set.keep_post & CURL_REDIR_POST_303)) {
diff --git a/lib/url.c b/lib/url.c
index 03feaa20f..97c88f3cd 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -4011,7 +4011,7 @@ CURLcode Curl_protocol_connect(struct connectdata *conn,
 }
 
 /*
- * Helpers for IDNA convertions.
+ * Helpers for IDNA conversions.
  */
 static bool is_ASCII_name(const char *hostname)
 {
diff --git a/lib/urldata.h b/lib/urldata.h
index 2dd7938e0..3ec7e0f16 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -1314,7 +1314,7 @@ struct UrlState {
 
   char *buffer; /* download buffer */
   char uploadbuffer[BUFSIZE+1]; /* upload buffer */
-  curl_off_t current_speed;  /* the ProgressShow() funcion sets this,
+  curl_off_t current_speed;  /* the ProgressShow() function sets this,
                                 bytes / second */
   bool this_is_a_follow; /* this is a followed Location: request */
 
diff --git a/lib/vauth/digest.c b/lib/vauth/digest.c
index 7d9200ad0..31d25cfa1 100644
--- a/lib/vauth/digest.c
+++ b/lib/vauth/digest.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -237,7 +237,7 @@ static CURLcode auth_digest_get_qop_values(const char *options, int *value)
  * auth_decode_digest_md5_message()
  *
  * This is used internally to decode an already encoded DIGEST-MD5 challenge
- * message into the seperate attributes.
+ * message into the separate attributes.
  *
  * Parameters:
  *
@@ -366,7 +366,7 @@ CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
   char qop[]        = DIGEST_QOP_VALUE_STRING_AUTH;
   char *spn         = NULL;
 
-  /* Decode the challange message */
+  /* Decode the challenge message */
   result = auth_decode_digest_md5_message(chlg64, nonce, sizeof(nonce),
                                           realm, sizeof(realm),
                                           algorithm, sizeof(algorithm),
@@ -502,7 +502,7 @@ CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
 /*
  * Curl_auth_decode_digest_http_message()
  *
- * This is used to decode a HTTP DIGEST challenge message into the seperate
+ * This is used to decode a HTTP DIGEST challenge message into the separate
  * attributes.
  *
  * Parameters:
diff --git a/lib/vauth/digest_sspi.c b/lib/vauth/digest_sspi.c
index a6eea5ca6..0bd94442d 100644
--- a/lib/vauth/digest_sspi.c
+++ b/lib/vauth/digest_sspi.c
@@ -6,7 +6,7 @@
  *                             \___|\___/|_| \_\_____|
  *
  * Copyright (C) 2014 - 2016, Steve Holme, <steve_holme@hotmail.com>.
- * Copyright (C) 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2015 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -320,7 +320,7 @@ CURLcode Curl_override_sspi_http_realm(const char *chlg,
 /*
  * Curl_auth_decode_digest_http_message()
  *
- * This is used to decode a HTTP DIGEST challenge message into the seperate
+ * This is used to decode a HTTP DIGEST challenge message into the separate
  * attributes.
  *
  * Parameters:
@@ -550,7 +550,7 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
     if(!digest->http_context)
       return CURLE_OUT_OF_MEMORY;
 
-    /* Generate our reponse message */
+    /* Generate our response message */
     status = s_pSecFn->InitializeSecurityContext(&credentials, NULL,
                                                  spn,
                                                  ISC_REQ_USE_HTTP_STYLE, 0, 0,
@@ -586,7 +586,7 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
     return CURLE_OUT_OF_MEMORY;
   }
 
-  /* Copy the generated reponse */
+  /* Copy the generated response */
   memcpy(resp, output_token, output_token_len);
   resp[output_token_len] = 0;
 
diff --git a/lib/vauth/krb5_gssapi.c b/lib/vauth/krb5_gssapi.c
index c754fae45..560ecc5bc 100644
--- a/lib/vauth/krb5_gssapi.c
+++ b/lib/vauth/krb5_gssapi.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2014 - 2016, Steve Holme, <steve_holme@hotmail.com>.
+ * Copyright (C) 2014 - 2017, Steve Holme, <steve_holme@hotmail.com>.
  * Copyright (C) 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
@@ -68,7 +68,7 @@ bool Curl_auth_is_gssapi_supported(void)
  * passdwp     [in]     - The user's password.
  * service     [in]     - The service type such as http, smtp, pop or imap.
  * host        [in[     - The host name.
- * mutual_auth [in]     - Flag specifing whether or not mutual authentication
+ * mutual_auth [in]     - Flag specifying whether or not mutual authentication
  *                        is enabled.
  * chlg64      [in]     - Pointer to the optional base64 encoded challenge
  *                        message.
diff --git a/lib/vauth/krb5_sspi.c b/lib/vauth/krb5_sspi.c
index 151794e61..1b4cef486 100644
--- a/lib/vauth/krb5_sspi.c
+++ b/lib/vauth/krb5_sspi.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2014 - 2016, Steve Holme, <steve_holme@hotmail.com>.
+ * Copyright (C) 2014 - 2017, Steve Holme, <steve_holme@hotmail.com>.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -74,7 +74,7 @@ bool Curl_auth_is_gssapi_supported(void)
  * passdwp     [in]     - The user's password.
  * service     [in]     - The service type such as http, smtp, pop or imap.
  * host        [in]     - The host name.
- * mutual_auth [in]     - Flag specifing whether or not mutual authentication
+ * mutual_auth [in]     - Flag specifying whether or not mutual authentication
  *                        is enabled.
  * chlg64      [in]     - The optional base64 encoded challenge message.
  * krb5        [in/out] - The Kerberos 5 data struct being used and modified.
diff --git a/lib/vtls/gskit.c b/lib/vtls/gskit.c
index d760b6a87..bf75bddc2 100644
--- a/lib/vtls/gskit.c
+++ b/lib/vtls/gskit.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -320,7 +320,7 @@ static CURLcode set_ciphers(struct connectdata *conn,
 
   /* We allocate GSKit buffers of the same size as the input string: since
      GSKit tokens are always shorter than their cipher names, allocated buffers
-     will always be large enough to accomodate the result. */
+     will always be large enough to accommodate the result. */
   l = strlen(cipherlist) + 1;
   memset((char *) ciphers, 0, sizeof ciphers);
   for(i = 0; i < CURL_GSKPROTO_LAST; i++) {
diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 8eb1e5ab9..67425566d 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -1630,7 +1630,7 @@ static void ssl_tls_trace(int direction, int ssl_ver, int content_type,
 #ifdef HAS_NPN
 
 /*
- * in is a list of lenght prefixed strings. this function has to select
+ * in is a list of length prefixed strings. this function has to select
  * the protocol we want to use from the list and write its string into out.
  */